PIbd-22_Shabunov_O.A._SushiBar/SushiBarBusinessLogic/ChequeLogic.cs

using SushiBarContracts.BindingModels;
using SushiBarContracts.SearchModels;
using SushiBarContracts.ViewModels;
using SushiBarDatabaseImplement.Storages;

namespace SushiBarBusinessLogic
{
    public class ChequeLogic
    {
        private readonly ChequeStorage _chequeStorage;

        public ChequeLogic(ChequeStorage ChequeStorage)
        {
            _chequeStorage = ChequeStorage;
        }

        public List<ChequeViewModel>? ReadList(ChequeSearchModel? Model)
        {
            var List = Model is null ? _chequeStorage.GetFullList() : _chequeStorage.GetFilteredList(Model);

            if (List is null)
            {
                return null;
            }
            return List;
        }

        public ChequeViewModel? ReadElement(ChequeSearchModel? Model)
        {
            if (Model is null)
                throw new ArgumentNullException(nameof(Model));

            var Element = _chequeStorage.GetElement(Model);

            if (Element is null)
            {
                return null;
            }
            return Element;
        }

        public bool CreateCheque(ChequeBindingModel Model)
        {
            if (_chequeStorage.Insert(Model) is null)
            {
                return false;
            }
            return true;
        }
    }
}